CN208535213U - A kind of double cricket valves - Google Patents
A kind of double cricket valves Download PDFInfo
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- CN208535213U CN208535213U CN201821176159.9U CN201821176159U CN208535213U CN 208535213 U CN208535213 U CN 208535213U CN 201821176159 U CN201821176159 U CN 201821176159U CN 208535213 U CN208535213 U CN 208535213U
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- valve rod
- cricket
- double
- plate
- seat
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Abstract
The utility model discloses a kind of double cricket valves, comprising: valve body；It is arranged in valve body and is equipped with ball plate support base；The novel sphere of valve inner is fixed on by upper valve rod and lower valve rod；Spherical plate at left and right sides of novel sphere is set；The track plate of novel sphere upper and lower ends is fixed to by screw；The left support bar and right support bar matched with lower valve rod；The corresponding valve body position in the ball seal face of spherical plate outer is equipped with seal valve seat.Utility model has the advantages that (1) lower valve rod is fixed using two support rods in left and right, it is not passed through valve body, has reduced or remitted the leakage point at lower valve rod position；(2) during switch rotary, double cricket faces do not contact friction with sealing surface of seat, not will cause scratch or abrasion in rotation to sealing surface of seat, to improve whole service life, and can be used as simple adjust and use；(3) damage of cost, saving space while the impurity that can avoid being attached on spherical surface in stroke to sealing surface of seat is reduced.
Description
Technical field
The utility model relates to valve technology field, more particularly to a kind of double cricket valves and about control pipeline
Interior fluid switch or the novel valve of adjusting.
Background technique
Original fixing ball valve is that a sphere is equipped in the lumen of valve body, is fixedly connected with valve body, ball with lower valve rod
The both ends of body are respectively equipped with seal valve seat, and all entire circular arc smooth surface in the surface of sphere is made into, and the too big occupancy of such volume is empty
Between it is big, too heavy, at high cost, in switching process and when closed state, spherical surface and sealing surface of seat are all to be close to Frotteurism,
The friction of entire spherical surface causes torsion big, and the prooving of valve seat is big, reduces sealing service life.
Therefore, how to provide a kind of has spherical surface in small in size, at low cost, the avoidable stroke simultaneously that prolongs the service life
On the impurity that is attached to the problem of double cricket valves of the injury characteristic of sealing surface of seat are those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the present invention provides it is a kind of have it is small in size, at low cost, prolong the service life while can keep away
Exempt from the impurity being attached on spherical surface in stroke to double cricket valves of the injury characteristic of sealing surface of seat.
To achieve the above object, the utility model provides the following technical solutions:
A kind of double cricket valves, comprising: valve body；It is arranged in the valve body and is equipped with ball plate support base；Through upper valve rod under
Valve rod is fixed on the novel sphere of the valve inner；Spherical plate at left and right sides of the novel sphere is set；Pass through screw
Track plate fixed to the novel sphere upper and lower ends；The left support bar and right support bar matched with the lower valve rod；Its
In, the corresponding valve body position in the ball seal face of the spherical plate outer is equipped with seal valve seat；After the seal valve seat
Face is additionally provided with sealing ring and spring, is used to auxiliary seal；It is characterized by further comprising: the lower valve rod is fixed under lower end
On valve rod support base, supported hole, the left support bar and right support bar are equipped at left and right sides of the lower valve rod support base
It is inserted into corresponding supported hole respectively, then compresses the sealing ring by the tight loop of side.
Preferably, in a kind of above-mentioned double cricket valves, the valve body is using the weldering monoblock type connection of split type or pipe.
Preferably, in a kind of above-mentioned double cricket valves, ball plate support base is linked together with left and right spherical plate in the valve body,
The edge of the spherical plate is processed as ball seal face, forms the novel sphere.
Preferably, in a kind of above-mentioned double cricket valves, it is filled with filler in the middle end of upper section circular portion of the upper valve rod, and
Sealing is compressed with successively gland, pressing ring, then fixation is tightened by bolt, nut.
Preferably, in a kind of above-mentioned double cricket valves, the seal valve seat outer is equipped with close to the position of ball plate support base
Orbital docking corresponding with track plate face.
Preferably, in a kind of above-mentioned double cricket valves, position corresponding with ball seal face position is provided with master
Sealing and secondary sealing.
Preferably, in a kind of above-mentioned double cricket valves, rail is all provided between the upper valve rod, lower valve rod and the spherical plate
Road disk seat surface is equipped with several screw holes on the track plate seat surface, and both ends track plate is fastened by tightening screw on it
One group of closing member is formed on the ball plate support base at both ends.
It can be seen via above technical scheme that compared with prior art, the utility model has the beneficial effect that
1, overall volume reduces, and saves space, and save the cost reduces weight；
2, lower valve rod is fixed using two support rods in left and right, is not passed through valve body, has been reduced or remitted the leakage point at lower valve rod position；
3, during switch rotary, double cricket faces do not contact friction with sealing surface of seat, and it is right in rotation not will cause
The scratch or abrasion of sealing surface of seat, such sealing surface are not only kept safe, due to not having fretting wear also large increase
Service life, and can be used as simple adjust and use；
Cost is reduced, space is saved and improves service life the impurity being attached on spherical surface in avoidable stroke to sealing surface of seat
Damage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the overall structure diagram of the utility model.
Fig. 2 attached drawing is the A-1 partial enlarged view of the utility model.
Fig. 3 attached drawing is the novel sphere main view of the utility model.
Fig. 4 attached drawing is the novel sphere side view of the utility model.
Fig. 5 attached drawing is the novel sphere top view of the utility model.
Fig. 6 attached drawing is the seal valve seat main view of the utility model.
Fig. 7 attached drawing is the seal valve seat rearview of the utility model.
Fig. 8 attached drawing is the seal valve seat sectional view of the utility model.
Fig. 9 attached drawing is the lower valve rod sectional view of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment, which discloses, a kind of has that small in size, at low cost, prolong the service life avoidable row simultaneously
Double cricket valves of the impurity being attached on spherical surface in journey to the injury characteristic of sealing surface of seat.
Attached drawing is please referred to, is a kind of double cricket valves disclosed by the utility model, specifically includes:
Valve body 1；It is arranged in valve body 1 and is equipped with ball plate support base 2；It is fixed in valve body 1 by upper valve rod 3 and lower valve rod 4
The novel sphere 5 in portion；The spherical plate 51 of 5 left and right sides of novel sphere is set；About 5 novel sphere is fixed to by screw 52
The track plate 6 at both ends；The left support bar 41 and right support bar 42 matched with lower valve rod 4；Wherein, the sphere of 51 outer of spherical plate
The corresponding valve body position of sealing surface 53 is equipped with seal valve seat 7；Sealing ring 8 and spring 9 are additionally provided with behind seal valve seat 7,
For auxiliary seal；It is characterized by further comprising: lower valve rod 4 is fixed on the lower valve rod support base 43 of lower end, in lower valve rod branch
The left and right sides of support seat 43 is equipped with supported hole, and left support bar 41 and right support bar 42 are inserted into respectively in corresponding supported hole,
The sealing ring is compressed by the tight loop 10 of side again.
In order to further optimize the above technical scheme, valve body 1 can use split type connection, can also be whole using pipe weldering
The forms such as formula；Wherein, pipe weldering monoblock type has better integral sealing reliability；Integral solder does not have gasket connecting material aging
Problem, in addition valve body is equipped with leakage point, and the type of attachment at both ends can take the various forms such as flange, welding, screw thread, cutting ferrule to connect
It connects.
In order to further optimize the above technical scheme, ball plate support base 2 is linked together with left and right spherical plate in valve body 1, ball
The edge of panel 51 is processed as ball seal face 53, forms the novel sphere 5.
In order to further optimize the above technical scheme, it is filled with filler 31 in the middle end of upper section circular portion of upper valve rod 3, be used in combination
Successively gland 32, pressing ring 33 compress sealing, then by bolt 34, nut 35 tighten it is fixed (or other means).
In order to further optimize the above technical scheme, 7 outer of seal valve seat is equipped with and rail close to the position of ball plate support base 2
The corresponding orbital docking face 13 of road disk 6.
In order to further optimize the above technical scheme, position corresponding with 53 position of ball seal face is provided with primary seal
11 and secondary sealing 12.
In order to further optimize the above technical scheme, track plate is equipped between upper valve rod 3, lower valve rod 4 and spherical plate 51
Seat surface 13 is equipped with several screw holes 14, by tightening screw 52(or other means on it on track plate seat surface 13) two
End track plate 6, which is fastened on the ball plate support base 2 at both ends, forms one group of closing member.
In order to further optimize the above technical scheme, valve body 1, novel sphere 5, upper valve rod 3 and lower valve rod 4 are preferably with resistance to
Based on the metal materials such as the carbon casting of intensity, forged steel, cast iron, stainless steel, copper.
In order to further optimize the above technical scheme, seal valve seat 7 and other sealing elements are preferably with graphite, rubber, Huang
The flexible materials such as copper can also use metal material in hard sealing or in special circumstances, and according to the requirement of operating condition, material can be with
It is rationally flexibly mating.
In order to further optimize the above technical scheme, valve can using manually controlling, can also using it is pneumatic, electronic,
It the control mode with other executing agencies such as surges.
In order to further optimize the above technical scheme, upper and lower two ball plates support base 2, ball plate branch are equipped in 1 lumen of valve body
The outer of support seat 2 is connected with two pieces of spherical plates 51, and 51 edge of spherical plate on both sides is processed into spherical smooth finish surface respectively, makees
For ball seal face 53, the concentric novel sphere 5 of a generally spherical shape.
In order to further optimize the above technical scheme, it is equipped with valve rod hole 21 in the centre of ball plate support base 2, by left support bar
In 41 insertion lower valve rods 4 and corresponding 1 left side lower end supported hole of valve body, the other end is inserted into 4 left side supported hole of lower valve rod, lower valve
Bar 4 is inserted into ball plate support base 2 in the supported hole for right support bar 42 being inserted into again lower valve rod 4, the support on other end insertion the right
In the supported hole of seat lower end, then sealing ring compressed by screw threads for fastening circle.
In order to further optimize the above technical scheme, lower valve rod 4 and the ball plate support base 2 of lower end can be with flexible rotatings；On
The ball plate support base 2 at end is inserted by 3 polygonal position of upper valve rod, and the middle end of upper section circular portion of upper valve rod 3 is filled with filler 31, and
Sealing is compressed with successively gland 32, pressing ring 33, then fixation is tightened by bolt 34, nut 35, the upper end can connect electrical header,
Pneumatic head, the control modes such as turbine operate, and are driven novel sphere by rotary valve rod, (the related spherical plate of ball plate support base)
It is switched or is adjusted.
In order to further optimize the above technical scheme, in the corresponding valve in 51 outer ball seal face of spherical plate 53 at both ends
Body region is equipped with seal valve seat 7, seal valve seat 7 is globally set as sealing surface outside spherical plate, behind seal valve seat 7
Carry out auxiliary seal equipped with sealing ring 8 and spring 9.
In order to further optimize the above technical scheme, specific working principle are as follows: when transmission opening and closing element is opened, turn
Dynamic track plate is gradually pushed away with orbital docking face, and seal valve seat is pushed open, the sealing surface and spherical plate sealing surface of seal valve seat are made
Separation is generated, is still discrete state after opening；When being driven opening and closing element and being closed, when close to full closure position, track
Interface makes track plate and orbital docking face gradually generate separation and the sealing surface of spherical plate and close close to the notch of track plate
Sealing surface on envelope valve seat comes into contact with compression, under pushing in spring and pressure medium, is close to sealing, the bigger production of pressure medium
Raw thrust is bigger, and sealing performance is better.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of double cricket valves, comprising: valve body (1)；Setting is equipped with ball plate support base (2) in the valve body (1)；Pass through upper valve
Bar (3) and lower valve rod (4) are fixed on the internal novel sphere (5) of the valve body (1)；Setting is in the novel sphere (5) left and right
The spherical plate (51) of two sides；The track plate (6) of the novel sphere (5) upper and lower ends is fixed to by screw (52)；With it is described
The left support bar (41) and right support bar (42) that lower valve rod (4) matches；Wherein, the ball seal of spherical plate (51) outer
The corresponding valve body position in face (53) is equipped with seal valve seat (7)；Sealing ring (8) are additionally provided with behind the seal valve seat (7)
With spring (9), it is used to auxiliary seal；It is characterized by further comprising: the lower valve rod (4) is fixed on the lower valve rod support of lower end
On seat (43), supported hole, the left support bar (41) and right branch are equipped at left and right sides of the lower valve rod support base (43)
Strut (42) is inserted into respectively in corresponding supported hole, then the sealing ring (8) are compressed by the tight loop (10) of side.
2. a kind of double cricket valves according to claim 1, which is characterized in that the valve body (1) is using split type or pipe
Weld monoblock type connection.
3. a kind of double cricket valves according to claim 1, which is characterized in that the interior ball plate support base (2) of valve body (1) with
Left and right spherical plate (51) is linked together, and the edge of the spherical plate (51) is processed as ball seal face (53), is formed described novel
Sphere (5).
4. a kind of double cricket valves according to claim 1, which is characterized in that round in the middle end of upper section of the upper valve rod (3)
It is filled partially with filler (31), and compresses sealing with successively gland (32), pressing ring (33), then pass through bolt (34), nut (35)
Tighten fixation.
5. a kind of double cricket valves according to claim 1, which is characterized in that seal valve seat (7) outer is close to ball plate
The position of support base (2) is equipped with orbital docking corresponding with track plate (6) face (61).
6. a kind of double cricket valves according to claim 1, which is characterized in that opposite with ball seal face (53) position
The position answered is provided with primary seal (11) and secondary sealing (12).
7. a kind of double cricket valves according to claim 1, which is characterized in that the upper valve rod (3), lower valve rod (4) and institute
It states and is equipped with track plate seat surface (13) between spherical plate (51), several screw holes are equipped on the track plate seat surface (13)
(14), both ends track plate (6) is fastened on the ball plate support base (2) at both ends by tightening screw (52) on it and forms one group
Closing member.
8. a kind of double cricket valves according to claim 1, which is characterized in that the branch of lower valve rod support base (43) two sides
It supports hole, left support bar (41) and right support bar (42), holds out against on the side valves wall of the left and right sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176159.9U CN208535213U (en) | 2018-07-24 | 2018-07-24 | A kind of double cricket valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176159.9U CN208535213U (en) | 2018-07-24 | 2018-07-24 | A kind of double cricket valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535213U true CN208535213U (en) | 2019-02-22 |
Family
ID=65384964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821176159.9U Active CN208535213U (en) | 2018-07-24 | 2018-07-24 | A kind of double cricket valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535213U (en) |
-
2018
- 2018-07-24 CN CN201821176159.9U patent/CN208535213U/en active Active
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